The only things you can't do by editing the files yourself is getting unlimited money, unlimited ammo, no reload, super speed and spy position. With a few tweaks of the files you can get god mode among other things that doesn't require a trainer but of course you need to know what files to edit to avoid a ctd.

The only things you can't do by editing the files yourself is getting unlimited money, unlimited ammo, no reload, super speed and spy position. With a few tweaks of the files you can get god mode among other things that doesn't require a trainer but of course you need to know what files to edit to avoid a ctd.